CN217598237U - Bicycle hub waterproof structure - Google Patents
Bicycle hub waterproof structure Download PDFInfo
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- CN217598237U CN217598237U CN202221228832.5U CN202221228832U CN217598237U CN 217598237 U CN217598237 U CN 217598237U CN 202221228832 U CN202221228832 U CN 202221228832U CN 217598237 U CN217598237 U CN 217598237U
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- oil
- seal gasket
- oil seal
- ring
- hub
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Abstract
The utility model discloses a bicycle flower hub waterproof construction, it contains an oil blanket circle, this oil blanket circle group locates between a flower hub body and a fluted disc seat of this bicycle flower hub, this fluted disc seat one end forms a portion of agreeing with, a ring fin is established to this portion of agreeing with external diameter, this oil blanket circle one side convergent extension forms a reinforcement portion, this oil blanket circle establishes an oil groove for the internal diameter of this reinforcement portion is concave, this oil groove one end extends towards the internal diameter slope of this stereoplasm ring and establishes a leak-stopping ring piece, in view of the above, this oil blanket circle is with the nested location of ring fin of this oil groove and this fluted disc seat, ensure the stability of this oil blanket circle equipment, and the reinforcement portion that utilizes the thickening increases the intensity of this oil blanket circle, avoid this oil blanket circle to receive the rotatory torsion influence of bicycle flower hub and produce the deformation, and then effectively block moisture invasion, reach the waterproof mesh of bicycle flower hub.
Description
Technical Field
The utility model relates to a flower hub structure, concretely relates to waterproof construction of bicycle flower hub.
Background
Accordingly, a bicycle hub is known, such as the "bicycle rear hub transmission structure" of taiwan patent publication No. M326480, which includes: a bicycle core, wherein a pair of banks are respectively arranged on the left and the right of the bicycle core; the rear hub is sleeved on the left side of the vehicle center and is connected with the vehicle center through the pair of bearings on the left side of the vehicle center, an opening is formed in the right side of the rear hub, and a plurality of elastic pieces are annularly arranged on the bottom surface of the opening; the hollow sleeve is sleeved on the right side of the vehicle center and is connected with the vehicle center through the pair of peignin on the right side of the vehicle center, the left side end of the sleeve is sleeved on the opening of the rear hub, the end face of the left side is annularly provided with a ratchet, the periphery of the left side of the sleeve is sleeved with a hollow waterproof gasket, the opening on the right side of the rear hub can be sealed by the waterproof gasket, the periphery of the right end cover is also sleeved with another waterproof gasket, and the opening on the right side of the sleeve can be sealed by the other waterproof gasket; a circular fluted disc, wherein the end surface of the right side of the fluted disc is provided with a ratchet which is meshed with the ratchet on the left side of the sleeve, and the periphery of the fluted disc is annularly provided with a plurality of external teeth; and the hollow internal gear ring is assembled in the opening of the rear hub and is meshed with the external teeth of the fluted disc.
The known structure can not find out some defects easily, and the main reasons are as follows:
the well-known waterproof gasket has the inner side surface and the outer side surface tightly attached to the outer periphery of the sleeve and the inner periphery of the opening of the rear hub, when the sleeve rotates idle relative to the rear hub, the waterproof gasket is easy to twist and deform due to the fact that the rotation directions of the sleeve and the rear hub are different, the effects of blocking silt and preventing water are lost, gaps are generated between the sleeve and the rear hub, silt or water is easy to invade, the smoothness of operation between the sleeve and the rear hub is further reduced, meanwhile, loss of meshing transmission parts is caused, riding of a bicycle is seriously interfered, and dangerousness of a rider is increased.
In view of the above, the present inventors have made manufacturing, development and design experience of related products for many years, and finally have completed the present invention after detailed design and careful evaluation aiming at the above-mentioned objects.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that wants to solve lies in the above-mentioned disappearance to prior art exists, provides a bicycle flower hub waterproof construction.
The waterproof structure of the bicycle hub comprises an oil seal gasket, wherein the oil seal gasket is assembled between a hub body and a gear disc seat of the bicycle hub, one end of the hub body is concavely provided with a combined part, the hub body axially penetrates out of the combined part to be provided with a central shaft, the gear disc seat is assembled with the hub body along the central shaft, one end of the gear disc seat forms a matching part, the outer diameter of the matching part is provided with a ring convex rib, one side of the oil seal gasket is gradually contracted and extended to form a reinforcing part, the other side of the oil seal gasket is coated with a hard ring, the oil seal gasket is concavely provided with an oil groove relative to the inner diameter of the reinforcing part, one end of the oil groove forms a stop ring part, the other end of the oil groove obliquely extends towards the inner diameter of the hard ring to form a leakage stop ring sheet, the leakage stop ring sheet forms a gradually contracted conical shape, accordingly, the oil seal gasket is positioned by the oil groove and the ring nested convex rib of the gear disc seat, the leakage stop ring sheet is abutted against the front end of the matching part, and the outer diameter of the oil seal gasket is tightly attached to the combined part of the hub body.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the oil seal gasket is embedded and positioned with the annular convex rib of the conjunction part through the oil groove, the assembling stability of the oil seal gasket is ensured, the sliding dislocation is avoided, the silt water intrusion is blocked and stopped by utilizing the stopping ring part, the reinforcing part of the oil seal gasket faces the outer end of the combination part of the hub body, the strength of the oil seal gasket is increased by utilizing the thickened reinforcing part, the oil seal gasket is prevented from being deformed due to the rotating torsion of the bicycle hub, the use integrity of the oil seal gasket is ensured, the waterproof purpose of the bicycle hub is achieved, and the durability and the practicability of the bicycle hub are improved;
2. the oil groove of the oil seal gasket can be filled with lubricating oil, when the bicycle hub actually operates to actuate, the smoothness of the oil seal gasket can be kept through the lubricating oil, the lubricating oil also flows into the conjunction part and the combination part through the leakage stopping ring piece, the lubricating effect of the meshing actuation of the conjunction part and the combination part is improved, the rapid meshing engagement is achieved, and the condition that abrasion is damaged in the meshing linkage process is prevented.
Drawings
Fig. 1 is a perspective view of the oil seal gasket of the present invention;
fig. 2 is a partial cross-sectional view and a partial enlarged schematic view of the oil seal gasket of the present invention;
fig. 3 is a cross-sectional view of the oil seal gasket of the present invention;
FIG. 4 is an exploded view of the bicycle hub and oil seal washer of the present invention;
FIG. 5 is a cross-sectional view of the bicycle hub assembly of the present invention;
FIG. 6 is a cross-sectional, partially enlarged, schematic view of the bicycle hub of the present invention;
fig. 7 is a schematic diagram illustrating the lubricating effect provided by the lubricating oil of the present invention.
Description of the symbols:
10 oil seal gasket
11 reinforcing part
12 hard ring
13: oil groove
Stop ring part 14
15, leak-stopping ring sheet
20, the hub body
21: combination part
22 central axis
30 gear disc seat
31 fitting part
311 annular convex rib
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The invention is described in further detail below with reference to the accompanying drawings:
first, as shown in fig. 1, 2, 3, and 4, a bicycle hub waterproof structure includes an oil seal gasket 10, the oil seal gasket 10 is assembled between a hub body 20 and a gear plate seat 30 of the bicycle hub, wherein one end of the hub body 20 is recessed to form an assembly portion 21, the hub body 20 axially penetrates through the assembly portion 21 to form a central shaft 22, the gear plate seat 30 is assembled with the hub body 20 along the central shaft 22, one end of the gear plate seat 30 is formed to form a fitting portion 31, an outer diameter of the fitting portion 31 is formed to form a ring rib 311, one side of the oil seal gasket 10 is tapered to form a reinforcement portion 11, the other side is wrapped by a hard ring 12, the oil seal gasket 10 is recessed to form an oil groove 13 relative to an inner diameter of the reinforcement portion 11, one end of the oil groove forms a stop ring portion 14, the other end of the oil groove is inclined to extend toward the inner diameter wrapped by the hard ring 12 to form a leakage stop ring 15, and the leakage stop ring 15 is tapered.
As shown in fig. 4, 5 and 6, the oil seal gasket 10 is inserted into the outer diameter of the engagement portion 31 of the gear disc seat 30, and is positioned by nesting the oil grooves 13 and the ring ribs 311 of the engagement portion 31, and the stop ring 14 abuts against the outer diameter of the engagement portion 31, and the oil grooves 13 are filled with lubricating oil, the anti-leakage ring 15 abuts against the front end of the engagement portion 31, the gear disc seat 30 is assembled with the hub body 20 along the central axis 22, and the engagement portion 31 is engaged and linked with the assembly portion 21, and the outer diameter of the oil seal gasket 10 is tightly attached to the inner diameter of the assembly portion 21 of the hub body 20, thereby completing the waterproof structure of the bicycle hub.
With the structure of the above specific embodiment, the following effects can be achieved:
the oil seal gasket 10 is embedded and positioned through the oil groove 13 and the ring rib 311 of the fitting portion 31, so that the assembling stability of the oil seal gasket 10 is ensured, the sliding dislocation is avoided, the blocking ring portion 14 is used for blocking and blocking the invasion of silt water, the reinforcing portion 11 of the oil seal gasket 10 faces the outer end of the combining portion 21 of the hub body 20, the thickened reinforcing portion 11 is used for increasing the strength of the oil seal gasket 10, the oil seal gasket 10 is prevented from being deformed due to the rotating torque force of the bicycle hub, the use integrity of the oil seal gasket 10 is ensured, the waterproof purpose of the bicycle hub is achieved, and the durability and the practicability of the bicycle hub are improved.
In addition, the oil groove 13 of the oil seal gasket 10 can be filled with lubricating oil, when the bicycle hub actually operates, not only can the smoothness of the oil seal gasket 10 be maintained by the lubricating oil, but also the lubricating oil flows into the space between the fitting portion 31 and the combining portion 21 through the leakage stop ring piece 15, as shown in fig. 7, the lubricating effect of the meshing operation of the two is improved, the rapid meshing engagement is achieved, and the condition that abrasion and damage are generated in the meshing linkage process is prevented.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (1)
1. A bicycle hub waterproof structure is characterized by comprising an oil seal gasket, wherein the oil seal gasket is assembled between a hub body and a fluted disc seat of a bicycle hub, one end of the hub body is concavely provided with a combined part, the hub body axially penetrates out of the combined part to be provided with a central shaft, the fluted disc seat is assembled with the hub body along the central shaft, one end of the fluted disc seat forms a matching part, the outer diameter of the matching part is provided with a ring convex rib, one side of the oil seal gasket is gradually contracted and extended to form a reinforcing part, the other side of the oil seal gasket is coated with a hard ring, the oil seal gasket is concavely provided with an oil groove relative to the inner diameter of the reinforcing part, one end of the oil groove forms a stop ring part, the other end of the oil groove obliquely extends towards the inner diameter coated with the hard ring to form a leakage stop ring sheet, and the leakage stop ring sheet forms a gradually contracted conical shape; therefore, the oil seal gasket is nested and positioned by the oil grooves and the ring convex ribs of the fluted disc seat, the leakage-stopping ring sheet is abutted against the front end of the fit part, and the outer diameter of the oil seal gasket is tightly attached to the inner diameter of the combined part of the hub body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221228832.5U CN217598237U (en) | 2022-05-18 | 2022-05-18 | Bicycle hub waterproof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221228832.5U CN217598237U (en) | 2022-05-18 | 2022-05-18 | Bicycle hub waterproof structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217598237U true CN217598237U (en) | 2022-10-18 |
Family
ID=83569128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221228832.5U Active CN217598237U (en) | 2022-05-18 | 2022-05-18 | Bicycle hub waterproof structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217598237U (en) |
-
2022
- 2022-05-18 CN CN202221228832.5U patent/CN217598237U/en active Active
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